HSL(231, 68%, 20%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(231,68%,20%)]

Color Conversions

Format Value CSS Usage
HSL hsl(231, 68%, 20%) color: hsl(231, 68%, 20%)
HEX #101B56 color: #101B56
RGB rgb(16, 27, 86) color: rgb(16, 27, 86)
CMYK cmyk(81%, 69%, 0%, 66%)
HSV hsv(231, 81%, 34%)
HWB hwb(231 6% 66%) color: hwb(231 6% 66%)
OKLCH oklch(0.2577 0.1071 269.09) color: oklch(0.2577 0.1071 269.09)
Lab lab(13.02 19.22 -37.04) color: lab(13.02 19.22 -37.04)
LCH lch(13.02 41.73 297.42) color: lch(13.02 41.73 297.42)

Color Theory

Complementary

Triadic

Analogous

Tetradic (Square)

Split-Complementary

Accessibility (WCAG)

White text on color

Black text on color

Color on white bg

Colored text

Contrast Ratios

vs White 15.99:1
vs Black 1.31:1

AA Normal (4.5:1)

on White: PASS ✓ on Black: FAIL ✗

AA Large (3:1)

on White: PASS ✓ on Black: FAIL ✗

AAA Normal (7:1)

on White: PASS ✓

Best text on this color: white

Color Blindness Simulation

Protanopia (Red-blind)

#151548 — rgb(21, 21, 72)

Deuteranopia (Green-blind)

#141344 — rgb(20, 19, 68)

Tritanopia (Blue-blind)

#113C3A — rgb(17, 60, 58)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(231, 68%, 20%);

text

color: hsl(231, 68%, 20%);

border

border: 2px solid hsl(231, 68%, 20%);

gradient light

background: linear-gradient(to right, hsl(231, 68%, 40%), hsl(231, 68%, 20%));

gradient dark

background: linear-gradient(to right, hsl(231, 68%, 20%), hsl(231, 68%, 0%))

hex

background-color: #101B56;

tailwind

bg-[hsl(231,68%,20%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(231, 68%, 20%, 0.4);

css variable

--color-primary: hsl(231, 68%, 20%);

Related Colors

Use Cases for Blue

Corporate branding Trust signals Tech products Social media Primary buttons

Frequently Asked Questions

What are all the color codes for HSL(231, 68%, 20%)?

HEX: #101B56 | RGB: rgb(16, 27, 86) | CMYK: 81%, 69%, 0%, 66% | HSV: 231°, 81%, 34%. Copy any format from the conversion table above.

What colors go well with #101B56?

The complementary color is HSL(51, 68%, 20%). For a triadic harmony, use hues 231°, 351°, and 111°. For analogous combinations, try hues 201° and 261°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(231, 68%, 20%) in CSS?

As HSL: color: hsl(231, 68%, 20%); — As HEX: color: #101B56; — As RGB: color: rgb(16, 27, 86); — Tailwind CSS: bg-[hsl(231,68%,20%)] — CSS variable: --color-primary: hsl(231, 68%, 20%);